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-rw-r--r--src/soc/intel/cannonlake/include/soc/romstage.h3
-rw-r--r--src/soc/intel/cannonlake/romstage/romstage.c19
2 files changed, 20 insertions, 2 deletions
diff --git a/src/soc/intel/cannonlake/include/soc/romstage.h b/src/soc/intel/cannonlake/include/soc/romstage.h
index a58ace59a5..643105a0a2 100644
--- a/src/soc/intel/cannonlake/include/soc/romstage.h
+++ b/src/soc/intel/cannonlake/include/soc/romstage.h
@@ -20,6 +20,9 @@
#include <fsp/api.h>
void mainboard_memory_init_params(FSPM_UPD *mupd);
+
+/* Provide a callback to allow mainboard to override the DRAM part number. */
+void mainboard_get_dram_part_num(const char **part_num, size_t *len);
void systemagent_early_init(void);
/* Board type */
diff --git a/src/soc/intel/cannonlake/romstage/romstage.c b/src/soc/intel/cannonlake/romstage/romstage.c
index 6abeb3d88c..893f37d421 100644
--- a/src/soc/intel/cannonlake/romstage/romstage.c
+++ b/src/soc/intel/cannonlake/romstage/romstage.c
@@ -37,6 +37,11 @@
0x8d, 0x09, 0x11, 0xcf, 0x8b, 0x9f, 0x03, 0x23 \
}
+void __weak mainboard_get_dram_part_num(const char **part_num, size_t *len)
+{
+ /* Default weak implementation, no need to override part number. */
+}
+
/* Save the DIMM information for SMBIOS table 17 */
static void save_dimm_info(void)
{
@@ -50,6 +55,8 @@ static void save_dimm_info(void)
const MEMORY_INFO_DATA_HOB *memory_info_hob;
const uint8_t smbios_memory_info_guid[16] =
FSP_SMBIOS_MEMORY_INFO_GUID;
+ const char *dram_part_num;
+ size_t dram_part_num_len;
/* Locate the memory info HOB, presence validated by raminit */
memory_info_hob = fsp_find_extension_hob_by_guid(
@@ -86,6 +93,14 @@ static void save_dimm_info(void)
if (src_dimm->Status != DIMM_PRESENT)
continue;
+ dram_part_num_len = sizeof(src_dimm->ModulePartNum);
+ dram_part_num = (const char *)
+ &src_dimm->ModulePartNum[0];
+
+ /* Allow mainboard to override DRAM part number. */
+ mainboard_get_dram_part_num(&dram_part_num,
+ &dram_part_num_len);
+
/* Populate the DIMM information */
dimm_info_fill(dest_dimm,
src_dimm->DimmCapacity,
@@ -94,8 +109,8 @@ static void save_dimm_info(void)
src_dimm->RankInDimm,
channel_info->ChannelId,
src_dimm->DimmId,
- (const char *)src_dimm->ModulePartNum,
- sizeof(src_dimm->ModulePartNum),
+ dram_part_num,
+ dram_part_num_len,
memory_info_hob->DataWidth);
index++;
}